Light pollution

Done by:

Rayan Ghuneim

Fayez Taja

Youssef Nadim

Khalid Sabsabi

Ahmad Alwan

12-BSC

Lets discuss what is light pollution!

Light pollution is the presence of unwanted,

inappropriate, or excessive artificial lighting. In a

descriptive sense, the term light pollution refers to

the effects of any poorly implemented lighting,

during the day or night.

What are the main causes of light

pollution?

The primary cause of light pollution is outdoor

lights that emit light upwards or sideways. Any

light that escapes upward, except where a tree

or building may be blocking it, will scatter

throughout the atmosphere and brighten the

night sky, thereby diminishing the view of it.

Examples of light pollution:

One of the most light

polluted cities in the

world is Hong Kong. The

wasteful light emitted

would reflect and

spread upward directly

and lead to the brighter

night and a drop of stars

visible in the sky.

Ways of solving light pollution:

#1 Turn Off Lights When

Not in Use

#2 Use Fewer Lights

When Inside

#3 Keep the Blinds and

Drapes Closed at Night

#4 Avoid Driving at Night

#5 Turn Off All Lights

When Going to Sleep

Advantages of light pollution:

One of the most significant positive effects is that

light pollution helps birds find food at night. When

birds migrate, they are unfamiliar with local food

sources, typically, these birds land at night and fly

during the day.

Disadvantages of light pollution:

Light pollution is excessive, misdirected, or

obtrusive artificial (usually outdoor) light. Too

much light pollution has consequences: it

washes out starlight in the night sky, interferes

with astronomical research, disrupts

ecosystems, has adverse health effects and

wastes energy.

Light pollution estimation in Dubai.

The light pollution in Dubai is significant, and it is

estimated to be one of the highest in the world.

The sky over the city is always glowing with

artificial light, and it is difficult to see stars or any

other celestial objects .

INTERVIEW!

a simpleinter view about light pollution

Thank you for listening ;)

Rayan Ghuneim

Fayez Taja

Youssef Nadim

Khalid Sabsabi

Ahmad Alwan.